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AI code review for Java.

Java review scales with the codebase: the same failure repeats across services until someone catches it once. WellMerged groups the diff into Stories, then checks the classic failure points before they propagate.

What WellMerged checks on every Java pull request.

String-built SQL
Concatenated queries are flagged at the line with the parameterized rewrite.
Swallowed exceptions
Empty catch blocks and log-and-continue paths are flagged where callers would retry blind.
Committed credentials
Keys in constants, properties, and YAML fail the required checks check.
Missing tests
Changed services without tests are flagged; JUnit drafts arrive with the review.

The AI review follows the call chain through layers: controller to service to repository, naming the callers that inherit each change.

Run it on your Java repository.

Install the GitHub App and open a pull request. Reviews on public repositories are free with no cap, and every plan starts with 100 private reviews a month.

Other languages.

Every pull request has a story. Read yours.

Install the GitHub App, open a pull request, and review it in the order it makes sense.

Two paths merging into one bold lime path that ends in a checkmark